CN107351860A - A kind of quasi- zero stiffness central mounting device of stepless changing - Google Patents
A kind of quasi- zero stiffness central mounting device of stepless changing Download PDFInfo
- Publication number
- CN107351860A CN107351860A CN201710683872.6A CN201710683872A CN107351860A CN 107351860 A CN107351860 A CN 107351860A CN 201710683872 A CN201710683872 A CN 201710683872A CN 107351860 A CN107351860 A CN 107351860A
- Authority
- CN
- China
- Prior art keywords
- quasi
- connecting seat
- curb girder
- spring
- central mounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002955 isolation Methods 0.000 abstract description 14
- 238000013016 damping Methods 0.000 abstract description 12
- 239000000725 suspension Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
- B61F5/06—Bolster supports or mountings incorporating metal springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
- B61F5/12—Bolster supports or mountings incorporating dampers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of quasi- zero stiffness central mounting device of stepless changing, including：Vertical spring, crossed strip, hydraulic buffer, vertical deviation sensor, control device and hydraulic actuator, the bogie includes U-shaped curb girder, the vehicle bottom is provided with the car body connector being connected with the top of vertical spring and hydraulic buffer, spring connecting seat is respectively arranged with the U-shaped curb girder two side, the crossed strip is connected between spring connecting seat and car body connector, the expansion link of the hydraulic actuator is directed vertically to lower section and is connected with spring connecting seat, and the vertical deviation sensor is arranged on car body connector.Through the above way, the quasi- zero stiffness central mounting device of stepless changing of the present invention, improves low frequency vibration isolation and damping property, increases vibration isolation and damping frequency range, it ensure that vehicle has good low frequency vibration isolation and damping property under different load-carryings simultaneously, improve the comfortableness of vehicle.
Description
Technical field
The present invention relates to rail truck field, more particularly to a kind of quasi- zero stiffness central mounting device of stepless changing.
Background technology
Configuration in railroad truck central mounting device is arranged between car body and bogie, is mainly played vibration damping and vibration isolation, is carried
The effect of high vehicle riding comfort, the device of configuration in railroad truck central mounting at present generally using steel spring, air spring or
Rubber spring.
The configuration in railroad truck central mounting device that steel spring, air spring or rubber spring are formed is more or less all
There is the situation that low frequency vibration isolation and damping property are poor, at the same vibration isolation and damping property to the adaptability that vehicle load changes compared with
Difference, reduce the comfortableness of vehicle, it is difficult to which regulation is, it is necessary to improve.
The content of the invention
The present invention solves the technical problem of a kind of quasi- zero stiffness central mounting device of stepless changing is provided, solve to turn
To frame low frequency vibration isolation and vibration damping problem, the comfortableness of vehicle is lifted.
In order to solve the above technical problems, one aspect of the present invention is：It is firm to provide a kind of stepless changing standard zero
Central mounting device is spent, between car body and bogie, including：It is vertical spring, crossed strip, hydraulic buffer, vertical
Displacement transducer, control device and hydraulic actuator, the bogie include U-shaped curb girder, the vertical spring and liquid-springing
Device is vertically arranged in U-shaped curb girder respectively, and the vehicle bottom is provided with what is be connected with the top of vertical spring and hydraulic buffer
Car body connector, spring connecting seat is respectively arranged with the U-shaped curb girder two side, the crossed strip is connected to spring
Between connecting seat and car body connector, the hydraulic actuator is separately positioned on the top of U-shaped curb girder, the hydraulic actuator
Expansion link is directed vertically to lower section and is connected with spring connecting seat, and the vertical deviation sensor is arranged on car body connector simultaneously
With control device linearly connected to transmit vertical deviation signal, the control device is with hydraulic actuator linearly connected to control bullet
The lifting of spring connecting seat.
In a preferred embodiment of the present invention, it is respectively arranged with and spring connecting seat pair on the U-shaped curb girder two side
The vertical guide or guide groove answered.
In a preferred embodiment of the present invention, the hydraulic actuator is respectively hydraulic cylinder.
In a preferred embodiment of the present invention, it is provided with horizontal wing plate at the top of the U-shaped curb girder.
In a preferred embodiment of the present invention, it is provided with the liquid extended to above spring connecting seat on the horizontal wing plate
Actuator fixed plate is pressed, the hydraulic actuator is arranged in hydraulic actuator fixed plate.
In a preferred embodiment of the present invention, the control device be arranged on car body or U-shaped curb girder on.
The beneficial effects of the invention are as follows：The quasi- zero stiffness central mounting device of a kind of stepless changing that the present invention points out, laterally
Spring is horizontal, and in its pre-compressed state, the main negative stiffness for providing suspension arrangement, reduces the dynamic firm of suspension arrangement
Degree, so as to reduce isolation frequency, vertical deviation sensor predominantly detects vertical deviation of the vertical spring when load-carrying changes, and will
Signal is transferred to control device, after control device receives the signal of vertical deviation sensor, will perform order and is transferred to hydraulic pressure
Actuator, hydraulic actuator control the vertical movement of spring connecting seat untill crossed strip is horizontal again, entirely
Suspension arrangement is in quasi- zero stiffness state again, ensure that bogie low frequency vibration isolation and damping property do not change and declined with load-carrying
Subtract, improve low frequency vibration isolation and damping property, increase vibration isolation and damping frequency range, while ensure that vehicle in different load-carryings
Under have good low frequency vibration isolation and damping property, improve the comfortableness of vehicle.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other
Accompanying drawing, wherein：
Fig. 1 is a kind of structural representation of the quasi- preferred embodiment of zero stiffness central mounting device one of stepless changing of the present invention.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
All other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
Referring to Fig. 1, the embodiment of the present invention includes：
A kind of quasi- zero stiffness central mounting device of stepless changing, between car body 10 and bogie, including：Vertical spring 3,
Crossed strip 7, hydraulic buffer 2, vertical deviation sensor 8, control device 5 and hydraulic actuator 4, the bogie include U
Type curb girder 1, the vertical spring 3 and hydraulic buffer 2 are vertically arranged in U-shaped curb girder 1 respectively, and vertical spring 3 is located at hydraulic pressure
The both sides of shock absorber 2, symmetry is good, uniform force.Vertical spring 3 has collectively constituted quasi- zero stiffness spring with crossed strip 7 and hung
Device, the vertical main bearing body 10 of spring 3 is conducted oneself with dignity and load-carrying.
The bottom of car body 10 is provided with the car body connector 9 being connected with vertical spring 3 and the top of hydraulic buffer 2, institute
State and spring connecting seat 6 be respectively arranged with the U-shaped two side of curb girder 1, the crossed strip 7 be connected to spring connecting seat 6 with
Between car body connects 9, crossed strip 7 is horizontal, main to provide the negative firm of suspension arrangement in its pre-compressed state
Degree, the dynamic stiffness of suspension arrangement is reduced, so as to reduce isolation frequency.
The hydraulic actuator 4 is separately positioned on the top of U-shaped curb girder, and the expansion link of the hydraulic actuator 4 refers to vertically
It is connected downwards and with spring connecting seat 6, the vertical deviation sensor 8 is arranged on car body connector 9 and filled with control
5 linearly connecteds are put to transmit vertical deviation signal, the control device 5 is with the linearly connected of hydraulic actuator 4 to control spring to connect
The lifting of joint chair 6.Vertical deviation sensor 8 predominantly detects vertical deviation of the vertical spring 3 when load-carrying changes, and signal is passed
Control device 5 is defeated by, after control device receives the signal of vertical deviation sensor, order will be performed and be transferred to hydraulic actuator
4, hydraulic actuator 4 controls the 6 vertical movement of spring connecting seat untill crossed strip 7 is horizontal again, the liquid
It is respectively hydraulic cylinder to press actuator 4, and extension and contraction control is flexible.
Be respectively arranged with the two side of U-shaped curb girder 1 with 6 corresponding vertical guide of spring connecting seat or guide groove,
So that vertically guide rail or the guide groove lifting of spring connecting seat 6, the radial force of reduction hydraulic actuator 4, structural stability
It is high.
The top of U-shaped curb girder 1 is provided with horizontal wing plate 12.It is provided with the horizontal wing plate 12 and extends to spring connection
The hydraulic actuator fixed plate 11 of the top of seat 6, the hydraulic actuator 4 are arranged in hydraulic actuator fixed plate 11, installation side
Just.
The control device 5 is arranged on car body 10 or on U-shaped curb girder 1, according to the specific of car body 10 and U-shaped curb girder 1
Structure arranges that position is more flexible.
In summary, the quasi- zero stiffness central mounting device of a kind of stepless changing that the present invention points out, ensure that vehicle not
With having good low frequency vibration isolation and damping property under load-carrying, the comfortableness of vehicle is improved, regulation is sensitive.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, it is included within the scope of the present invention.
Claims (6)
- A kind of 1. quasi- zero stiffness central mounting device of stepless changing, between car body and bogie, it is characterised in that bag Include：Vertical spring, crossed strip, hydraulic buffer, vertical deviation sensor, control device and hydraulic actuator, the steering Frame includes U-shaped curb girder, and the vertical spring and hydraulic buffer are vertically arranged in U-shaped curb girder respectively, and the vehicle bottom is set The car body connector being connected with the top of vertical spring and hydraulic buffer is equipped with, is respectively arranged with the U-shaped curb girder two side Spring connecting seat, the crossed strip are connected between spring connecting seat and car body connector, the hydraulic actuator point The top of U-shaped curb girder is not arranged on, the expansion link of the hydraulic actuator is directed vertically to lower section and is connected with spring connecting seat, The vertical deviation sensor is arranged on car body connector and transmits vertical deviation signal, institute with control device linearly connected Control device is stated with hydraulic actuator linearly connected to control the lifting of spring connecting seat.
- 2. the quasi- zero stiffness central mounting device of stepless changing according to claim 1, it is characterised in that the U-shaped curb girder Vertical guide corresponding with spring connecting seat or guide groove are respectively arranged with two side.
- 3. the quasi- zero stiffness central mounting device of stepless changing according to claim 1, it is characterised in that the hydraulic pressure performs Device is respectively hydraulic cylinder.
- 4. the quasi- zero stiffness central mounting device of stepless changing according to claim 1, it is characterised in that the U-shaped curb girder Top is provided with horizontal wing plate.
- 5. the quasi- zero stiffness central mounting device of stepless changing according to claim 1, it is characterised in that the horizontal wing plate On be provided with the hydraulic actuator fixed plate extended to above spring connecting seat, the hydraulic actuator is arranged on hydraulic actuator In fixed plate.
- 6. the quasi- zero stiffness central mounting device of stepless changing according to claim 1, it is characterised in that the control device Be arranged on car body or U-shaped curb girder on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710683872.6A CN107351860A (en) | 2017-08-11 | 2017-08-11 | A kind of quasi- zero stiffness central mounting device of stepless changing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710683872.6A CN107351860A (en) | 2017-08-11 | 2017-08-11 | A kind of quasi- zero stiffness central mounting device of stepless changing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107351860A true CN107351860A (en) | 2017-11-17 |
Family
ID=60288440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710683872.6A Pending CN107351860A (en) | 2017-08-11 | 2017-08-11 | A kind of quasi- zero stiffness central mounting device of stepless changing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107351860A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109720371A (en) * | 2019-02-28 | 2019-05-07 | 马鞍山蓝信环保科技有限公司 | A kind of quasi- zero stiffness central mounting device of stepless changing |
| CN110608260A (en) * | 2019-10-16 | 2019-12-24 | 上海工程技术大学 | Mass-adjustable vibration absorber for urban rail vehicle and vibration reduction principle |
| CN111442060A (en) * | 2020-04-30 | 2020-07-24 | 深圳市优必选科技股份有限公司 | Vibration damping device and robot |
| CN111853126A (en) * | 2020-07-24 | 2020-10-30 | 郑州轻工业大学 | Quasi-zero-stiffness vibration isolation device based on three pairs of inclined springs and high linear resonant frequency |
| CN112682470A (en) * | 2020-12-25 | 2021-04-20 | 中国电力科学研究院有限公司 | Ultralow frequency shock isolation device and design method |
| CN113479227A (en) * | 2021-07-12 | 2021-10-08 | 上海工程技术大学 | Multi-azimuth buffer for railway vehicle bogie |
| CN114620085A (en) * | 2022-01-26 | 2022-06-14 | 中车齐齐哈尔车辆有限公司 | Bogie and secondary suspension system of bogie |
| CN115325096A (en) * | 2022-08-11 | 2022-11-11 | 郑州轻工业大学 | Constant value quasi-zero stiffness vibration isolation structure based on horizontal tension spring and debugging method |
| WO2023200919A1 (en) * | 2022-04-13 | 2023-10-19 | Nikon Corporation | Compression and tension vibration reducer assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799722A (en) * | 2016-03-17 | 2016-07-27 | 同济大学 | Secondary quasi-zero dynamic stiffness suspension device for low-floor tramcar and bogie |
| CN106594172A (en) * | 2017-01-12 | 2017-04-26 | 北京理工大学 | Semi-active control type vertical vibration isolator with quasi-zero stiffness |
| CN207120760U (en) * | 2017-08-11 | 2018-03-20 | 江苏瑞铁轨道装备股份有限公司 | A kind of quasi- zero stiffness central mounting device of stepless changing |
-
2017
- 2017-08-11 CN CN201710683872.6A patent/CN107351860A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799722A (en) * | 2016-03-17 | 2016-07-27 | 同济大学 | Secondary quasi-zero dynamic stiffness suspension device for low-floor tramcar and bogie |
| CN106594172A (en) * | 2017-01-12 | 2017-04-26 | 北京理工大学 | Semi-active control type vertical vibration isolator with quasi-zero stiffness |
| CN207120760U (en) * | 2017-08-11 | 2018-03-20 | 江苏瑞铁轨道装备股份有限公司 | A kind of quasi- zero stiffness central mounting device of stepless changing |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109720371A (en) * | 2019-02-28 | 2019-05-07 | 马鞍山蓝信环保科技有限公司 | A kind of quasi- zero stiffness central mounting device of stepless changing |
| CN110608260A (en) * | 2019-10-16 | 2019-12-24 | 上海工程技术大学 | Mass-adjustable vibration absorber for urban rail vehicle and vibration reduction principle |
| CN110608260B (en) * | 2019-10-16 | 2024-05-24 | 上海工程技术大学 | Mass-adjustable vibration absorber for urban rail vehicle and vibration reduction principle |
| CN111442060A (en) * | 2020-04-30 | 2020-07-24 | 深圳市优必选科技股份有限公司 | Vibration damping device and robot |
| CN111853126A (en) * | 2020-07-24 | 2020-10-30 | 郑州轻工业大学 | Quasi-zero-stiffness vibration isolation device based on three pairs of inclined springs and high linear resonant frequency |
| CN112682470A (en) * | 2020-12-25 | 2021-04-20 | 中国电力科学研究院有限公司 | Ultralow frequency shock isolation device and design method |
| CN113479227A (en) * | 2021-07-12 | 2021-10-08 | 上海工程技术大学 | Multi-azimuth buffer for railway vehicle bogie |
| CN114620085A (en) * | 2022-01-26 | 2022-06-14 | 中车齐齐哈尔车辆有限公司 | Bogie and secondary suspension system of bogie |
| CN114620085B (en) * | 2022-01-26 | 2023-07-21 | 中车齐齐哈尔车辆有限公司 | Bogie and secondary suspension system of bogie |
| WO2023200919A1 (en) * | 2022-04-13 | 2023-10-19 | Nikon Corporation | Compression and tension vibration reducer assembly |
| CN115325096A (en) * | 2022-08-11 | 2022-11-11 | 郑州轻工业大学 | Constant value quasi-zero stiffness vibration isolation structure based on horizontal tension spring and debugging method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171117 |
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| RJ01 | Rejection of invention patent application after publication |